Taiwan
- CM-21 - a Taiwanese indigenous design based on the M113, with many improvements and design changes to meet Republic of China Army requirements. The size, shape and performance of the CM-21 is almost identical to the M113, but with different engines and transmissions throughout the years. Various variants produced from 1982 to 2009, over 1000 produced.
- CM-21/A1 - Personnel carrier.
- CM-22 - Mortar carrier for 107mm/120mm mortar(similar to M106).
- CM-23 - Mortar carrier for 81mm mortar(similar to M125).
- CM-24/A1 - Ammo carrier, can carry either 90 rounds of 155mm or 42 rounds 203mm
- CM-25 - TOW launcher.
- CM-26 - Command Track(similar to M577)
- CM-27/A1 - Artillery Tractor
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CM-21A Armored Personnel Carrier
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CM-22 Mortar Carrier
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CM-23 Mortar Carrier
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CM-24 Ammo Carrier
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CM-26 Armored Command Post Carrier
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CM-27 Artillery Tractor
Read more about this topic: Variants Of The M113 Armored Personnel Carrier